Download RTMNU B.Pharma 5th Semester 2017 Summer Pharmacognosy and Phytochemistry 3 Question Paper

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B.Pharm Semester—V (C.B.S.) Examination

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PHARMACOGNOSY AND PHYTOCHEMISTRY-III

(Chemistry of Natural Products)

Paper-4

NKT/KS/17/6567

Time: Three Hours]

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[Maximum Marks : 80

N.B. :—

1. Q. No. 1 is compulsory.
2. All questions carry equal marks. Attempt any FOUR questions from remaining.
3. Draw neat labelled diagram wherever necessary.

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1. Solve any five questions of the following : 5×4=20
   1. Describe the various methods of extraction of Resins and Resins Combinations from plant material.
   2. Write pharmacognostic note on Coriander.
   3. Give the biological source, chemical constituents, chemical test and uses of Tolu balsam.
   4. Describe the principle and working of paper chromatography.
   5. Give a pharmacognostic account on Ginger.

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   6. Give the biological source, chemical constituents, chemical test and uses of clove.
   7. Describe the construction and working of Soxhlets apparatus.
2. Define Volatile oil. Classify them with suitable examples of each class. Describe the various methods of extraction of volatile oil. Give a pharmacognostic note on Eucalyptus oil. 15
3. 1. What is Extraction and Extract ? Enlist the various methods for extraction of herbal drugs. Write an account on super critical fluid extraction. 8

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   2. Write detail pharmacognostic account on Dill. 7
4. 1. Write structural elucidation of camphor. 8
   2. Write a short note on Benzoin. 7

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5. 1. Write isolation, purification and chromatographic profile of Eugenol. 10
   2. Classify resins and resins combination with suitable examples of each class. 5
6. Write short notes (any three): 5×3=15
   1. Thin layer chromatography
   2. Sandalwood

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   3. Asafoetida
   4. Turmeric
   5. Structure elucidation of Taxol.
7. Give the Biological source; chemical constituents, chemical test and uses of any three of the following : 5×3=15
   1. Colophony

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   2. Fennel
   3. Tulsi
   4. Guggul
   5. Caraway.

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